National Rankings

National Data Info
Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Contiguous U.S.

Precipitation Rankings, July 1949

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  • Record Wettest
PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Wettest/Driest
Since		Record
July 1949
1-Month		3.08"
(78.23mm)		2.78"
(70.61mm)		0.30"
(7.62mm)		106th Driest
Driest since:
1930
23rd Wettest
Wettest since:
1950, 1958
Jun–Jul 1949
2-Month		6.28"
(159.51mm)		5.70"
(144.78mm)		0.58"
(14.73mm)		105th Driest
Driest since:
1930
24th Wettest
Wettest since:
1928
Ties: 1975
May–Jul 1949
3-Month		9.26"
(235.20mm)		8.62"
(218.95mm)		0.64"
(16.25mm)		95th Driest
Driest since:
1988
34th Wettest
Wettest since:
2015
Ties: 1991
Apr–Jul 1949
4-Month		11.35"
(288.29mm)		11.13"
(282.70mm)		0.22"
(5.59mm)		64th Driest
Driest since:
1934
65th Wettest
Wettest since:
2015
Mar–Jul 1949
5-Month		13.82"
(351.03mm)		13.64"
(346.46mm)		0.18"
(4.57mm)		62nd Driest
Driest since:
1936
67th Wettest
Wettest since:
1973
Ties: 1896
Feb–Jul 1949
6-Month		16.22"
(411.99mm)		15.78"
(400.81mm)		0.44"
(11.18mm)		72nd Driest
Driest since:
1934
57th Wettest
Wettest since:
2019
Ties: 1992
Jan–Jul 1949
7-Month		19.38"
(492.25mm)		18.09"
(459.49mm)		1.29"
(32.76mm)		103rd Driest
Driest since:
1934
26th Wettest
Wettest since:
2019
Dec 1948–Jul 1949
8-Month		21.97"
(558.04mm)		20.44"
(519.18mm)		1.53"
(38.86mm)		103rd Driest
Driest since:
1931
25th Wettest
Wettest since:
2019
Nov 1948–Jul 1949
9-Month		25.36"
(644.14mm)		22.66"
(575.56mm)		2.70"
(68.58mm)		115th Driest
Driest since:
1934
13th Wettest
Wettest to Date
2019
Oct 1948–Jul 1949
10-Month		26.90"
(683.26mm)		24.83"
(630.68mm)		2.07"
(52.58mm)		107th Driest
Driest since:
1934
21st Wettest
Wettest since:
2019
Sep 1948–Jul 1949
11-Month		28.71"
(729.23mm)		27.33"
(694.18mm)		1.38"
(35.05mm)		94th Driest
Driest since:
1934
34th Wettest
Wettest since:
2019
Aug 1948–Jul 1949
12-Month		30.95"
(786.13mm)		29.95"
(760.73mm)		1.00"
(25.40mm)		82nd Driest
Driest since:
1918
46th Wettest
Wettest since:
2019
Feb 1948–Jul 1949
18-Month		48.09"
(1,221.49mm)		45.74"
(1,161.80mm)		2.35"
(59.69mm)		96th Driest
Driest since:
1931
32nd Wettest
Wettest since:
2019
Aug 1947–Jul 1949
24-Month		61.67"
(1,566.42mm)		59.92"
(1,521.97mm)		1.75"
(44.45mm)		84th Driest
Driest since:
1918
43rd Wettest
Wettest since:
2020
Aug 1946–Jul 1949
36-Month		92.38"
(2,346.45mm)		89.88"
(2,282.95mm)		2.50"
(63.50mm)		86th Driest
Driest since:
1956
40th Wettest
Wettest since:
2019
Aug 1945–Jul 1949
48-Month		123.49"
(3,136.65mm)		119.78"
(3,042.41mm)		3.71"
(94.24mm)		93rd Driest
Driest since:
1956
32nd Wettest
Wettest since:
2019
Aug 1944–Jul 1949
60-Month		154.97"
(3,936.24mm)		149.64"
(3,800.86mm)		5.33"
(135.38mm)		96th Driest
Driest since:
1934
28th Wettest
Wettest since:
2019

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